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Re: VGA Capture Thread

Posted on 2020-12-28, 09:14

Yes, I would like maximum sharpness, but in all honesty it wont do me any good due to Twitch's compression and loss due to bitrate. Plus i am going for that nostalgic feel for the users watching. I do have a "NTSC Bleeding" effect filter i can put on my capture via my OBS shaders but i honestly …

Re: VGA Capture Thread

Posted on 2020-12-27, 18:59

Yes, I would like maximum sharpness, but in all honesty it wont do me any good due to Twitch's compression and loss due to bitrate. Plus i am going for that nostalgic feel for the users watching. I do have a "NTSC Bleeding" effect filter i can put on my capture via my OBS shaders but i honestly …

Re: VGA Capture Thread

Posted on 2020-12-27, 18:57

Here is a screenshot screenshot.png IMHO, If you want maximum sharpness, you should capture at the same resolution as what the video card is outputting, then use integer scaling (equivalent to line multiplication) to get as close as possible to your target resolution and then finally use a quality …

Re: Currently recommended C compiler for native DOS?

Posted on 2020-12-16, 06:55

in DOS
I made a comparison of some DOS-based C compilers: https://github.com/leikareipa/dccb. The code can be compiled using a bunch of compilers, and some sample performance results are included. I'd use the Digital Mars C/C++ compiler, but the Microsoft C/C++ one is pretty good too. As far as I know, …

Re: VGA Capture Thread

Posted on 2020-11-21, 03:01

I am wondering if someone could recommend an ideal PCIE VGA capture card for the purpose of playing games - not capturing/recording them? In other words, retro machine outputs VGA to the capture card, which then turns up in a window (perhaps streamed by VLC) on the modern host machine. I made VCS …

Re: VGA Capture Thread

Posted on 2020-11-17, 15:29

It's pro hardware and you're supposed to not only buy the capture card for 1k but a matching Datapath video card etc., preferably 10x. I don't get the feeling they're super happy about their cards flooding the cheap used market and having to render support for basically no benefit.

Re: VGA Capture Thread

Posted on 2020-10-24, 13:11

Aspect ratio: In a general case there is no way to accomplish this with integer scaling. Just think of 720x400 text mode, which is shown as 4:3, so it does not have square pixels. What has proven for me suitable for YT is scaling up with integer factor and nearest neighbour scaling by e.g. 800%. …

Re: VGA Capture Thread

Posted on 2020-10-07, 11:51

The only time I've seen capture-side stutter like that is when you have duplicates of the capture stream open, i.e. you have both VCS and the Datapath software capturing at the same time. This can also happen if your capture software doesn't properly release the stream on exit.

Re: VGA Capture Thread

Posted on 2020-10-07, 01:34

I rebooted and went right to VCS and found it stuttering badly. But if I switch it to OpenGL rendering instead of Software, it is smooth again. When you get stuttering in VCS, does its window title bar begin with "{!} VCS" or just "VCS"? If it's with "{!}", it's a system performance issue. If not, …

Re: VGA Capture Thread

Posted on 2020-09-25, 12:11

I'd buy the X2 as a curiosity, but the specs aren't bad either. An interesting thing about bandwidth is that since the Datapath cards have hardware scaling, you can downscale the frames on-card before sending them down the PCI bus, basically increasing bandwidth at the cost of image quality. So I …

Re: VGA Capture Thread

Posted on 2020-09-25, 02:44

That said, it is also too bad that the E1S is not available in a PCI-X 133 variant (or is it?). It would have found a nice place alongside my AJA Kona LH in my Supermicro X8SAX based system . There's the VisionRGB-X2 for PCI-X. A bunch of them on US ebay right now, not too bad of a price for a dual …

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